At 28 Caspian Capella, a private surveillance agent, struggles with cashflow, credibility and a life full of strange women. Bernice Sowerby, a young and evil witch, struggles with her sanity after meeting him. Desperation almost overrides mutual contempt and together they unravel a 777 year-old supernatural mystery - unaware that it's unravelling them in return. Add angels, demons, a giant andrewsarchus and a mad goddess - and you can expect the battle...